PHP - Getters And Setters - Magic Versus Direct

what are magic methods? when do we need to use magic methods? what are the advantages of using magic methods? thanks in advanced.

I have two classes were one extends the other but they both have magic methods __get __call and __set but when trying to call a magic method it conflicts one with the other as you can imagaine...is there a way of getting around this ie. name spaces   or do I simply have to rewrite my classes   thank you

hey guys i have a __call method in my class...the probelm im having is how to get the arguments into this line

Code: [Select]
return $this->_db->$method($arguments);
if arguments where "test1" and "test2"

i want the call to do

Code: [Select]
return $this->_db->$method("test1", "test2");
the code below will put all arguments into one if anyone can help me on how i can seperate please

Code: [Select]
public function __call($method, $arguments)
{
if (method_exists($this->_db, $method))
{
$arguments = implode(', ', $arguments);

return $this->_db->$method($arguments);
}
}

I have a class that has the __get and __set magic methods defined.  The idea is to use those to communicate with the __get and __set methods in a database table object which is a protected attribute of this class.  Then I can quickly build out models without having to bother with method definitions aside from those that need modifications made to the data before saving.

The problem is, they don't seem to be doing anything.  I get an undefined function error the first time I call getVarx().   I don't actually have any of the attributes I'm trying to get and set defined in the object, but I thought that was the point of these magic methods.  Am I missing something here?

Thanks,
Brandon

Is there any way to produce a custom magic method?

Let's say when I try to get an attribute that doesn't have any value, a method gets called that gives that attribute a value.

So I want a method to be triggered when I try to get a value from an attribute that doesn't have any value.

Hi ! I was seeing the Exception class defined in basic.php and I found that all the methods are final and without body:
Code: [Select]
final public function getMessage () {}But if I call MyCustomException->getMessage() I get the message.
How does it works??

Hi there every one, i'm writing a class that create instances of other classes and I want to use the __call() magic method to make it more compact and dynamic. here is a basic example of what I'm trying to achieve.

The code bellow is the working code.
Code: [Select]
<?php

class creator{
    private $objects = array();
    public function createObj1($param1, $param2, $param3){
        $this->objects[]=new Obj1($param1, $param2, $param3);
    }  
    public function createObj2($param1, $param2){
        $this->objects[]=new Obj2($param1, $param2);
    }  
}
?>

Now I want the same functionality but using just the __call(), something like this
Code: [Select]
<?php
class creator{
    private $objects = array();
    public function __call($name, $args){
        $this->objects[]=new $name($param1, $param2);
    }  
}
?>
So, the main problem is, in the $args variable i get an array with all the args passed,
How can I make the call to create a new object when in the object constructor are individual parameters needed and not an array of parameters.

Thank you in advance.

I understand that I can place my HTML code outisde of my PHP tags and have it publish, OR i can put it inside the PHP tags and ECHO every line.

Am I correct in thinking that either will provide the same result?

Is there an advantage to one method over the other??

After getting valuable help from DavidAm and wildteen88 I am left with this last piece to the puzzle:

I have created a function which identifies the names of multi-value checkbox fields used on a Post page where a form just filled out has been saved in a serialized array which will contain associative arrays wherever the checkboxes have been selected.

Now I need for the checkbox associative arrays returned on this Review before-final-saving-page to be detected or identified and then Changed to a comma-delimited array, or maybe it just gets converted to one string with commas separating what were parts of the array--I am not sure about that.

At any rate, here are the functions that WORK to do this---but they depend on knowing the specific checkboxes that will show up ahead of time:

 
$postvals['cp_checkbox_amenities']= implode(',', $_POST['cp_checkbox_amenities']);
   $postvals['cp_checkbox_days']= implode(',', $_POST['cp_checkbox_days']);
   $postvals['cp_checkbox_3']= implode(',', $_POST['cp_checkbox_3']);


So I created a function which polls the form and finds the specific names of the checkboxes used on this page--the function ends like this:

        $results = $wpdb->get_results($sql);

        if($results) {

        foreach ($results as $result):
            // now grab all ad fields and print out the field label and value

echo '<li><span>' . $result->field_name . '</li>';

endforeach; 
}

     else {

      echo __('No checkbox details found.', 'cp');

    }
 
}

}

This returns the following:

<li><span>cp_checkbox_help</span></li><li><span>cp_checkbox_charley</span></li><li><span>cp_checkbox_hello</span></li>
</li>


So, I then tried to REPLACE the hard-code functions I show above that take the checkbox arrays and implode them for saving when this form is updated as comma limited values.

I tried various versions of this using the same loop that produced the <li> list with  $result->field_name      :


       foreach ($results as $result):
            // now grab all ad fields and print out the field label and value

   $postvals['. $result->field_name .']= implode(',', $_POST[ '. $result->field_name .']);

endforeach; 
}

     else {

      echo __('No checkbox details found.', 'cp');

    }
 
}

}

Every different way I try to get something either errors out or does not perform the Implode, or notifies me that the Implode is creating problems.

SOMEHOW, dynamically for each loop I need for a ' single quote mark to appear on each side of $result->field_name  so that I have dynamically written in the php code the equivalent to

 
$postvals['cp_checkbox_amenities']= implode(',', $_POST['cp_checkbox_amenities']);
   $postvals['cp_checkbox_days']= implode(',', $_POST['cp_checkbox_days']);
   $postvals['cp_checkbox_3']= implode(',', $_POST['cp_checkbox_3']);

the $result->field_name gives me a cp_checkbox_3  or a cp_checkbox_amenities, etc,, but I cannot break it down so that

$postvals['$result->field_name']= implode(',', $_POST['$result->field_name']);

WORKS

and I have tried with [PHP? echo ''' .$result->field_name . ''' ?>] and other ways.

Incidentally, ", double quotes don't play nice on this server with PHP 5.

And I have tried combinations of " '  double quote then single quote and on the other side ' " inside the associative array brackets.. nothing works--either I get errors, implode warnings, or the arrays of these checkboxes do not get changed to comma delimited arrays if the page loads and saves without errors.

I'd appreciate receiving what must be an elegantly simple solution!

There's this really old website called http://ipolygraph.com/google/

Basically it mimics the Google homepage (as you can see it's been a while since they've updated) but the idea is really simple but clever. If you go to the search box and type cars (or whatever) and click search, it searches Google for "cars". However if you type something like   /php manual/  you'll notice it changes what you're searching to "What is...etc etc". The idea is say you tell your friend you're on Google and you ask them to think of a card, if you type    /4c/ is bob thinking of?   it'll look as if you're typing "What is Bob thinking of?", when you hit search it'll be the 4 of clubs.

Is there any way to make something similar to this? The idea came to me after I learned about the file_get_contents command in PHP.

I initially set up a few VAR items to learn some JS coding.   Then it became apparent that altering the group and entering them into an array would be more effective.   However, my limited knowledge is confusing the situation.   Is there a simple comparison (with proper code and formatting) that someone can provide?   Example:  student in the school info desired: name, age, hair color, eye color   As separate VAR listings I cannot sort by age, so I create an array, but how can I name them student 1, 2, 3 etc.  (or do I not want to??).

Is there anything different between a response and a responder?  My thought is maybe a response is something that one application gives to another, and a responder is used only by a single application to create a response.

interface TrendInterface
{
    public function getResponse($blabla):TrendResponse;
    public function getResponder($blabla):TrendResponder;
}

 

When sending data via $_POST for example, I've seen the data get filtered with both mysql_real_escape_string or htmlspecialchars

When should you use one or the other?

Hy i read the topic about the md5 insecurity and the collision possibility....

And now i have a following question. Is it not MUCH more secure to store the actual password in the DB then the md5 value of it??

Because you with it eliminate the collision possibility of the md5 completely.

And I am aware of the possibility that someone could break into my DB but if I am dumb enough to let someone access my db, but that is not an issue.
I can always use a 2way encryption to store the data.

I stumbled upon this book where i first  met __set(). When I research it, I met __get(). So there, I don't know who they are. And what they exactly do. If I  may ask, is there any tutorial which can give me proper introduction with __set() and __get()? I have read for beginners, but I dont know, maybe I'm too dummy to understand.  please bare with me i am just  beginner. Thanks in advance.